/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/HierarchyEditor/NiagaraHierarchyViewModelBase.h
Remove a child with a given identity. Can be searched recursively. This function operates under the assumption there will be only one item with a given identity.
bool RemoveChildWithIdentity ( [FNiagaraHierarchyIdentity](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarchyIdentity) ChildIdentity, bool bSearchRecursively )